Optoma H31 Projector User Manual

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Gamma
Gamma affects how dark scenery is displayed. With a greater
gamma value, dark scenery will look brighter. Use 
   to adjust
gamma values.
Reset
Return the adjustments and settings to the factory default values.
4Current: Returns the current menu’s settings to factory default
values.
4All: Returns the settings for all menus to factory default values.
PICTURE
User Controls
PICTUREMode
Contrast
Brightness
Color
Tint
Sharpness
Gamma
Reset Cinema
50
50
50
50
501   

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User Controls
IMAGE
White Peaking
The white peaking control adjusts the white segment of the DMD
chip. “ 0” stands for minimal peaking, and “10” stands for m\
axi-
mum peaking.  If you prefer a stronger image, adjust toward the
maximum setting.  For a smoother, more natural image, adjust
towards the minimum setting.
Color Temp.
The color temp control adjusts the color temperature of the image.
The range is from “1” to “3”.  At a higher temperature, the \
screen
looks colder; at a lower...

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User Controls
4Phase : Synchronizes the signal timing of the display with the
graphics card. If you experience an unstable or flickering
image, use this function to correct it.
Reset
Return the adjustments and settings to factory default values.
4Current: Returns the current menu’s settings to factory default
values.
4All: Returns all menu settings to factory default values.
IMAGE
IMAGEWhite Peaking
Color Temp.
Image Mode
Advanced Adjustment
Signal
Reset 10
1
Film   

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User Controls
SYSTEM
Language
Displays a multilingual menu. Use  and  to select your
preferred language.
Bulb
4
Lamp Hours: Displays the cumulative lamp operating time.
4Lamp Reminding: Choose this function to show or hide the
warning message when the lamp replacement message is
displayed.  The message will show up when the lamp reaches
1500 hours.
4Lamp Hour Reset: Reset the lamp setting only when the new
lamp is replaced.
Source Lock
When turned off, the projector will search for other...

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DISPLAY
Projection
4
  Front-Desktop
The factory default setting.
4  Rear-Desktop
When you select this function, the projector reverses the image
so you may project from behind a translucent screen.
4  Front-Ceiling
When you select this function, the projector turns the image
upside down to accommodate ceiling-mounted projection.
4  Rear-Ceiling
When you select this function, the projector reverses and turns
the image upside down at same time. You can display an image
from behind a...

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DISPLAY
DISPLAYProjection
Format
Keystone
Zoom Mode
Full Screen Mode
4:3 Mode
1080i Mode
Lens Shift Preset
Edge MaskFront Desktop
4:30
0
Normal
Mode 1
Mode 1 Off
On
User Controls
4:3 Mode
4
1 : Scale to 640 x 480 pixel.
42 : Scale to 854 x 480 pixel stretch horizontally.
43 : Scale to 854 x 638 pixel crop to 854 x 480.
1080i Mode
4
1 : Scale to 854 x 480 pixel.
42 : Scales 1080i signal to 960 x 540 and displays the
middle 854 x 480 pixels.
Lens Shift Preset
Shifts the projected image...

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Problem: No image appears on screen.
4Ensure that all cables and power connections are correctly and
securely connected as described in the “Installation” section.
4Ensure that the pins of connectors are not crooked or broken.
4Check to see if the projection lamp has been securely installed.
Please refer to the “Replacing the Lamp” section for more
information.
4Make sure that you have removed the lens cap and that the
projector is powered on.
4Ensure that the “Hide” feature is not turned...

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Appendices
4.Verify the resolution setting is less than or equal to 1280 x 1024
resolution.
5. Select the “Change” button under the “Monitor” tab .
6. Click on “Show all devices.” Next, select “Standard monitor
types” under the SP box; choose the resolution mode you need
under the “Models” box.
7. Verify that the resolution setting of the monitor display is less
than or equal to 1280 x 1024.
4If you are using a Notebook PC:
1.First, follow the steps above to adjust resolution of the...

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Problem: Image is out of focus
4Adjust the focus ring on the projectors lens.
4Make sure the projection screen is between the required distance
4.6 to 39.4 feet (1.4 to 12.0 meters) from the projector.
Problem: Image is reversed.
4Press “Menu”, then select “Display” to adjust the projection\
 mode.
Problem: Lamp burns out or makes a popping sound
4When the lamp reaches its end of life, it will burn out and may
make a loud popping sound.  If this happens, the projector will not
turn back on...

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 1
2
3
4
Appendices
Replacing the Lamp
When the projector’s lamp usage reaches 1500 hours, it
displays the following warning message “Lamp may fail soon !
Replacement Suggested !” When you see this message, please
contact your local reseller or service center.
Make sure the projector has cooled down for at least 30
minutes before replacing the lamp.
Warning: Lamp
compartment is hot!
Allow it to cool down
before replacing lamp!
Lamp Replacing Procedure:
1. Switch off the power to the...